comparison toolboxes/FullBNT-1.0.7/bnt/CPDs/@gaussian_CPD/convert_to_table.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function T = convert_to_table(CPD, domain, evidence)
+% CONVERT_TO_TABLE Convert a Gaussian CPD to a table
+% T = convert_to_table(CPD, domain, evidence)
+
+
+sz = CPD.sizes;
+ns = zeros(1, max(domain));
+ns(domain) = sz;
+
+odom = domain(~isemptycell(evidence(domain)));
+ps = domain(1:end-1);
+cps = ps(CPD.cps);
+dps = ps(CPD.dps);
+self = domain(end);
+cdom = [cps(:)' self];
+ddom = dps;
+cnodes = cdom;
+
+[m, C, W] = gaussian_CPD_params_given_dps(CPD, domain, evidence);
+
+
+ns(odom) = 1;
+dpsize = prod(ns(dps));
+self = domain(end);
+assert(myismember(self, odom));
+self_val = evidence{self};
+T = zeros(dpsize, 1);
+if length(cps) > 0 
+  assert(~any(isemptycell(evidence(cps))));
+  cps_vals = cat(1, evidence{cps});
+  for i=1:dpsize
+    T(i) = gaussian_prob(self_val, m(:,i) + W(:,:,i)*cps_vals, C(:,:,i));
+  end
+else
+  for i=1:dpsize
+    T(i) = gaussian_prob(self_val, m(:,i), C(:,:,i));
+  end
+end